<template>
  <div ref="target">
    <HomePanel title="热门品牌" sub-title="国际经典 品质保证">
      <template v-slot:right>
        <a
          href="javascript:;"
          class="iconfont icon-angle-left prev"
          :class="{ disabled: currPage === 1 }"
          @click="currPage = 1"
        ></a>
        <a
          href="javascript:;"
          class="iconfont icon-angle-right next"
          :class="{ disabled: currPage === 2 }"
          @click="currPage = 2"
        ></a>
      </template>
      <div class="box" ref="box">
        <ul class="list">
          <li v-for="i in list" :key="i.id">
            <RouterLink to="/">
              <img
                :src="i.picture"
                :style="{
                  transform: `translateX(-${(currPage - 1) * 1240}px)`
                }"
                alt=""
              />
            </RouterLink>
          </li>
        </ul>
      </div>
    </HomePanel>
  </div>
</template>

<script>
import HomePanel from './home-panel'
import { ref } from 'vue'
import { homeBrand } from '@/api/home'
import { lazyLoad } from '@/util/index'
export default {
  name: 'HomeBrand',
  components: { HomePanel },
  setup () {
    const list = ref([])
    async function apiFn () {
      const res = await homeBrand(10)
      list.value = res.result
      console.log('res品牌数据', res)
    }
    const target = lazyLoad(apiFn)
    const currPage = ref(1) // 页码
    return { target, list, currPage }
  }
}
</script>

<style scoped lang="less">
.home-panel {
  background: #f5f5f5;
}
.iconfont {
  width: 20px;
  height: 20px;
  background: #ccc;
  color: #fff;
  display: inline-block;
  text-align: center;
  margin-left: 5px;
  background: @xtxColor;
  &::before {
    font-size: 12px;
    position: relative;
    top: -2px;
  }
  &.disabled {
    background: #ccc;
    cursor: not-allowed;
  }
}
.box {
  display: flex;
  width: 100%;
  height: 345px;
  overflow: hidden;
  padding-bottom: 40px;
  .list {
    width: 200%;
    display: flex;
    transition: all 1s;
    li {
      margin-right: 10px;
      width: 240px;
      &:nth-child(5n) {
        margin-right: 0;
      }
      img {
        width: 240px;
        height: 305px;
        transition: all 0.5s;
      }
    }
  }
}
</style>
